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typo3conf/ext/vhs/Classes/Traits/BasicViewHelperTrait.php

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+<?php
+namespace FluidTYPO3\Vhs\Traits;
+
+/*
+ * This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.md file that was distributed with this source code.
+ */
+
+/**
+ * Class BasicViewHelperTrait
+ *
+ * Trait implemented by ViewHelpers which require access
+ * to generic functions.
+ *
+ * Has the following main responsibilities:
+ *
+ * - generic method to get either an argument or if that
+ *   argument is not specified, retrieve the tag contents.
+ */
+trait BasicViewHelperTrait {
+
+	/**
+	 * Retrieve an argument either from arguments if
+	 * specified there, else from tag content.
+	 *
+	 * @param string $argumentName
+	 * @return mixed
+	 */
+	protected function getArgumentFromArgumentsOrTagContent($argumentName) {
+		if (FALSE === $this->hasArgument($argumentName)) {
+			$value = $this->renderChildren();
+		} else {
+			$value = $this->arguments[$argumentName];
+		}
+		return $value;
+	}
+
+}